X-ray absorption spectral studies on the anion-selectivity of a ruthenium(II) polypyridine complex-impregnated polymer ultrathin film

Shuji Matsuo, Sunao Yamada, Taku Matsuo, Hisanobu Wakita

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1 Citation (Scopus)

Abstract

The anion-selectivity of the surface of a polymer ultrathin film incorporating an amphiphilic ruthenium(II) polypyridine complex with diperchlorate was examined using X-ray absorption spectroscopy with the total electron-yield method. The adsorbed species on the film surface were found to depend on the chemical composition in water where the film was prepared. By combining the X-ray absorption spectra with a molecular-orbital calculation, the molar ratio (M ClO4 /M Ru ) between the ClO 4 - ions and the Ru head group on the film surface could be semi-quantitatively analyzed; it was 0.88 for a film prepared on fresh water, and 1.4 for one prepared on old water.

Original languageEnglish
Pages (from-to)927-930
Number of pages4
Journalanalytical sciences
Volume18
Issue number8
DOIs
Publication statusPublished - Aug 2002

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

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